KR920002425A - defuser - Google Patents

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Publication number
KR920002425A
KR920002425A KR1019900011302A KR900011302A KR920002425A KR 920002425 A KR920002425 A KR 920002425A KR 1019900011302 A KR1019900011302 A KR 1019900011302A KR 900011302 A KR900011302 A KR 900011302A KR 920002425 A KR920002425 A KR 920002425A
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KR
South Korea
Prior art keywords
downstream
cross
conduit
diffuser
outlet
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KR1019900011302A
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Korean (ko)
Inventor
쥬니어 월터 미첼프레쯔
윌리암 페터슨 로버트
죠셉 웰레 미첼
헤르만 에알바 로버트
Original Assignee
스테펜 이. 레비스
유나이티드 테크놀로지즈 코오포레이숀
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Publication of KR920002425A publication Critical patent/KR920002425A/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • F01N3/28Construction of catalytic reactors
    • F01N3/2892Exhaust flow directors or the like, e.g. upstream of catalytic device
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01NGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/24Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15DFLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00Influencing flow of fluids
    • F15D1/001Flow of fluid from conduits such as pipes, sleeves, tubes, with equal distribution of fluid flow over the evacuation surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F2025/91Direction of flow or arrangement of feed and discharge openings
    • B01F2025/913Vortex flow, i.e. flow spiraling in a tangential direction and moving in an axial direction
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00Gas separation
    • Y10S55/30Exhaust treatment

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

내용 없음No content

Description

디퓨저defuser

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명에 따른 2차원 디퓨저의 개략 횡단면도,1 is a schematic cross-sectional view of a two-dimensional diffuser according to the present invention,

제2도는 제1도의 2-2선을 따라 자른 단면도,2 is a cross-sectional view taken along the line 2-2 of FIG. 1,

제3도는 본 발명에 따른 3차원 디퓨저의 개략 횡단면도.3 is a schematic cross-sectional view of a three-dimensional diffuser in accordance with the present invention.

Claims (41)

주흐름 방향 하류에 유체를 옮기는 디퓨저 장치에 있어서, 주흐름 방향의 속도를 감소하고, 그 압력을 증가하는 확산단면을 형성한 벽수단으로 이루어지고, 상기 확산 단면은 유입구와 유출구를 가지고, 유입구 횡단면 흐름 지역은 유출구 횡단면 흐름지역 보다 작고, 상기 벽수단은 사이 유입구로 부터 적어도 상기 유출구 까지 뻗은 유체통로 형성표면을 가지며, 상기 표면은, 상기 유입구와 유출구 사이에, 복수의 하류로 뻗어 교대로 인접하는 트로프 및 리지를 내부에 형성하고, 트로프 및 리지는 주흐름 방향에 수직한 횡단면이 U자 형상이고, 그 깊이와 높이는 0인 초기 깊이 및 높이에서 하류방향으로 각각 증가하며, 인접하는 트로프 및 리지는 파동면을 원활하게 형성하는 그 길이를 따라 서로 원활하게 섞이고, 상기 트로프 및 리지에 인접하여 상류 바로 앞의 상기 유체통로 형성표면은, 상기 장치의 작동 동안 상기 통로 형성표면으로 부터의 흐름방향의 2차원 경계층 분리를 피하는 형상으로 된 것을 특징으로 하는 디퓨저 장치.A diffuser device for moving a fluid downstream in a main flow direction, the diffuser device comprising a wall means having a diffusion cross section which decreases the velocity in the main flow direction and increases its pressure, the diffusion cross section having an inlet and an outlet and having an inlet cross section The flow zone is smaller than the outlet cross sectional flow zone, the wall means having a fluid passageway forming surface extending from the inlet to the outlet at least, the surface extending alternately adjacent a plurality of downstream, between the inlet and the outlet. The troughs and ridges are formed therein, and the troughs and ridges are U-shaped in cross section perpendicular to the main flow direction, and their depth and height increase downstream from zero initial depth and height, respectively, and adjacent troughs and ridges Smoothly intermingled with each other along its length to form a wave surface smoothly, Acids formed directly in front of the fluid passage surface, the diffuser unit, characterized in that the in the image to avoid two-dimensional boundary layer separation of the flow direction of the forming surface from the said passage during operation of the device. 제1항에 있어서, 상기 유체통로 형성표면은 하류를 지나 뻗고, 상기 파동면에 결합되는 것을 특징으로 하는 디퓨저 장치.The diffuser device of claim 1, wherein the fluid passageway forming surface extends downstream and is coupled to the wave surface. 제2항에 있어서, 상기 유체통로 형성표면은 상기 파동면의 하류 끝에서 하류방향의 반대로 뻗어 상기 트로프 및 리지의 하류끝에서의 횡단면 흐름지역에 스텝방향 증가를 만들고, 상기 트로프의 각각은 한쌍의 대규모 축방향 소용돌이를 발생하기에 적합하고, 상기 소용돌이 쌓은 하류방향에 뻗은 축에 대해 반대반향으로 회전하는 것을 특징으로 하는 디퓨저 장치.3. The flow path forming surface of claim 2, wherein the fluid passageway forming surface extends downstream from the downstream end of the wave surface to create a stepwise increase in the cross-sectional flow zones at the downstream ends of the trough and the ridge, each of the troughs being a pair of A diffuser device suitable for generating a large scale axial vortex, wherein said diffuser device rotates in the opposite direction with respect to the axis extending downstream. 제3항에 있어서, 상기 장치는 상기 파동면의 하류끝에서 축대칭이며 스텝방향으로 직경의 증가하는 도관인것을 특징으로 하는 디퓨저 장치.4. The diffuser device of claim 3, wherein the device is an axially symmetrical conduit at a downstream end of the wavefront and of increasing diameter in a stepwise direction. 제4항에 있어서, 상기 확산단면 유입구의 상류 바로 앞의 상기 도관은 제1내경을 가지며, 상기 리지는 상기 제1내경의 가상 실린더를 따라 전체 리지 길이에 걸쳐 하류로 뻗는 피이크를 포함하고, 실린더는 상기 도관과 동축인 것을 특징으로 하는 디퓨저 장치.5. The conduit of claim 4, wherein the conduit immediately upstream of the diffusion cross-section inlet has a first inner diameter and the ridge includes a peak extending downstream over the entire ridge length along a virtual cylinder of the first inner diameter. Is a coaxial with the conduit. 제1항에 있어서, 상기 확산 단면은 상기 유입구로 부터 상기 유출구 까지의 횡단면 지역에 연속 증가하는 것을 특징으로 하는 디퓨저 장치.The diffuser device of claim 1, wherein the diffusion cross section continuously increases in a cross sectional area from the inlet to the outlet. 제1항에 있어서, 상기 트로프의 각각은 상기 트로프의 길이에 걸쳐 서로 평행하게 면하는 한쌍의 하류로 뻗은 측벽으로 이루어진 것을 특징으로 하는 디퓨저 장치.The diffuser device of claim 1, wherein each of the troughs consists of a pair of downstream extending side walls facing parallel to each other over the length of the trough. 제1항에 있어서, 상기 트로프 및 리지는 그 길이를 완전히 걸쳐서 흐르도록 한 크기 및 윤확으로 설치되어, 상기 트로프 및 리지의 표면상의 2차원 경계층 분리는 정상 작동 동안 발생하지 않는 것을 특징으로 하는 디퓨저 장치.The diffuser device of claim 1, wherein the troughs and ridges are installed in a size and circumference such that the troughs and ridges flow across their length so that two-dimensional boundary layer separation on the surfaces of the troughs and ridges does not occur during normal operation. . 제1항에 있어서, 최대 트로프 깊이 Z의 위치에서, 인접하는 트로프 사이의 거리는 X이고, X/Z의 비는 0.2와 0.4사이인 것을 특징으로 하는 디퓨저 장치.The diffuser device of claim 1, wherein at a location of maximum trough depth Z, the distance between adjacent troughs is X and the ratio of X / Z is between 0.2 and 0.4. 제1항에 있어서, 상기 트로프 및 리지는 상기 확산 단면 유출구로 뻗는 것을 특징으로 하는 디퓨저 장치.The diffuser device of claim 1, wherein the trough and the ridge extend into the diffuse cross-section outlet. 제9항에 있어서, 상기 확산단면 벽수단은 상기 확산단면 유입구로 부터 상기 확산단면 유출구까지 뻗은 한쌍의 간격져서 평행하게 떨어진 측벽을 포함하는 2차원 디퓨저를 형성하는 것을 특징으로 하는 디퓨저 장치.10. A diffuser device according to claim 9, wherein said diffused end wall means forms a two-dimensional diffuser comprising a pair of spaced parallel sidewalls extending from said diffused end inlet to said diffused end outlet. 제9항에 있어서, 상기 확산 단면은 그 유입구로 부터 그 유출구까지 축 대칭인 것을 특징으로 하는 디퓨저 장치.A diffuser device according to claim 9, wherein the diffusion cross section is axially symmetrical from its inlet to its outlet. 제9항에 있어서, 상기 확산 단면은 그 유입구로 부터 그 유출구까지 환형인 것을 특징으로 하는 디퓨저 장치.A diffuser device according to claim 9, wherein the diffusion cross section is annular from its inlet to its outlet. 제13항에 있어서, 상기 파동면은 상기 확산 단면의 전체 원주범위 둘레를 뻗는 것을 특징으로 하는 디퓨저 장치.The diffuser device of claim 13, wherein the wave surface extends around the entire circumference of the diffusion cross section. 제3항에 있어서, 상기 장치는 기체성 유체를 상기 확산단면으로 옮기기 위해 인접하는 상기 확산단면 유입구의 상류 바로 앞에 유입도관을 포함하고, 상기 벽수단은 상기 확산단면으로 부터 기체성 유체를 수용하기 위해 인접하는 상기 확산단면 유출구의 하류 바로 앞에 유출도관을 형성하는 것을 특징으로 하는 디퓨저 장치.4. The apparatus of claim 3, wherein the device comprises an inlet conduit immediately upstream of an adjacent diffusion cross-section inlet for transferring gaseous fluid to the diffusion cross section, wherein the wall means receives the gaseous fluid from the diffusion cross section. And an outlet conduit immediately downstream of the diffusion cross-section outlet adjacent to each other. 제16항에 있어서, 상기 트로프 및 리지는 상기 확산 단면 유입구에서 시작하여, 그 표면으로 부터 2차원 경계층 분리가 없도록 한 윤곽과 크기로 되는 것을 특징으로 하는 디퓨저 장치.17. The diffuser device of claim 16, wherein the trough and ridge are contoured and sized starting at the diffuse cross-section inlet, such that there is no two-dimensional boundary layer separation from the surface. 제17항에 있어서, 상기 트로프의 각각은 하류방향으로 상대적으로 적어도 약 5°의 경사를 가지는 하류로 뻗은 바닥을 가지는 것을 특징으로 하는 디퓨저 장치.18. The diffuser device of claim 17, wherein each of the troughs has a bottom extending downstream with a slope of at least about 5 [deg.] Relative to the downstream direction. 제3항에 있어서, 상기 리지의 각각은 하류방향에 평행한 하류로 뻗은 피이크를 가지는 것을 특징으로 하는 디퓨저 장치.4. The diffuser device of claim 3, wherein each of said ridges has a peak extending downstream parallel to the downstream direction. 제16항에 있어서, 상기 장치는 촉매 변환기이고, 상기 유출도관은 트로프 유출구로 부터 떨어진 하류에 유입면을 가지는 촉매베드를 포함하는 것을 특징으로 하는 디퓨저 장치.17. The diffuser device of claim 16, wherein the device is a catalytic converter and the outlet conduit comprises a catalyst bed having an inlet surface downstream from the trough outlet. 제20항에 있어서, 상기 촉매 물질은 모노리드 형태인 것을 특징으로 하는 디퓨저 장치.21. The diffuser device of claim 20, wherein said catalytic material is in monolithic form. 제20항에 있어서, 상기 확산단면 유입구는 원형이고, 상기 유출도관은 타원형이며, 상기 트로프의 깊이치수는 타원의 장축에 평행한 것을 특징으로 하는 디퓨저 장치.21. The diffuser device of claim 20, wherein the diffusion cross-section inlet is circular, the outlet conduit is elliptical, and the depth dimension of the trough is parallel to the long axis of the ellipse. 제4항에 있어서, 상기 도관은 중심축을 가지고, 상기 리지 각각은 주흐름방향으로 뻗고, 상기 축을 향해 수렴하는 피이크를 가지는 것을 특징으로 하는 디퓨저 장치.5. The diffuser device of claim 4, wherein the conduits have a central axis and each of the ridges has a peak extending in the main flow direction and converging toward the axis. 하류방향으로 유체를 옮기고, 내부 흐르면을 형성하는 벽수단을 가지는 도관에 있어서, 상기 도관은, 제1횡단면 흐름지역을 구비한 유출구 단부를 가지는 상류부와, 상기 상류부 유출구 단부에서 하류에 떨어져서 상기 제1횡단면 흐름지역 보다 더 큰 제2횡단면 흐름지역의 유입구 단부를 가지는 하류부와, 상기 유출구 단부와 상기 유입구 단부를 결합하고, 상기 하류부 유입구 단부의 하류로 뻗은 복수의 교대로 인접하는 트피프 및 리지로 이루어지는 디 퓨저 단면을 포함하고, 상기 트로프는 하류방향으로 깊이가 증가하고 상기 확산단면은 하류방향으로 횡단면 흐름지역이 단계적으로 증가하며, 상기 도관은 상기 하류부의 상기 유입구 단부에서의 횡단면 흐름지역에 스텝방향 증가를 가지는 것을 특징으로 하는 디퓨저 도관.A conduit having wall means for transporting fluid in a downstream direction and forming an inner flow surface, the conduit comprising an upstream portion having an outlet end with a first cross-sectional flow zone, and separated downstream from the upstream outlet end. A downstream portion having an inlet end of the second cross-sectional flow zone that is larger than the first cross-sectional flow zone, and a plurality of alternately adjacent pipes and ridges joining the outlet end and the inlet end and extending downstream of the downstream inlet end A diffuser cross section, wherein the trough increases in depth in the downstream direction and the diffusion cross section increases in cross-sectional flow zone in a downstream direction, and the conduit is in a cross-sectional flow zone at the inlet end of the downstream portion. A diffuser conduit having a stepwise increase. 제24항에 있어서, 상기 리지는 상기 도관 장류부의 상기 내부 흐름면의 연장부가 평행한 피이크를 포함하는 것을 특징으로 하는 디퓨저 도관.25. The conduit of claim 24, wherein said ridge comprises a peak in parallel with an extension of said inner flow surface of said conduit liquor. 제24항에 있어서, 상기 리지의 각각은 피이크를 포함하고, 상기 리지 피이크는 서로 평행한 것을 특징으로하는 디퓨저 도관.25. The diffuser conduit of claim 24, wherein each of the ridges includes a peak and the ridge peaks are parallel to each other. 제24항에 있어서, 상기 상류부는 원통형인 것을 특징으로 하는 디퓨저 도관.25. The diffuser conduit of claim 24, wherein said upstream portion is cylindrical. 제27항에 있어서, 상기 하류부는 하류방향에 수직한 원형 횡단면을 가지는 것을 특징으로 하는 디퓨저 도관.28. The diffuser conduit of claim 27, wherein said downstream portion has a circular cross section perpendicular to the downstream direction. 제28항에 있어서, 상기 하류부는 하류방향으로 횡단면이 증가하는 절두 원추형인 것을 특징으로 하는 디류저 도관.29. The defroster conduit of claim 28, wherein the downstream portion is a truncated cone that increases in cross section in the downstream direction. 제24항에 있어서, 최대 트로프 깊이 Z의 위치에서, 인접하는 트로프 사이의 거리는 X이고 X/Z의 비는 0.2와 4.0사이인 것을 특징으로 하는 디류저 도관.25. The defroster conduit of claim 24, wherein at a location of maximum trough depth Z, the distance between adjacent troughs is X and the ratio of X / Z is between 0.2 and 4.0. 제30항에 있어서, 최대 트로프 깊이의 위치는 상기 하류부 유입구 단부인 것을 특징으로 하는 디퓨저 도관.31. The diffuser conduit of claim 30, wherein the location of the maximum trough depth is the downstream inlet end. 제24항에 있어서, 상기 트리프와 리지는 그 표면상에 2차원 경계층 분리를 제거하도록 한 크기 및 윤곽으로 설치된 것을 특징으로 하는 디퓨저 도관.25. The diffuser conduit of claim 24, wherein the tripping and ridges are sized and contoured to remove two-dimensional boundary layer separation on their surfaces. 제1횡단면 흐름지역의 유출구를 가지는 가스전달관과, 상기 가스전달관의 하류에 떨어져서 상기 제1횡단면 흐름지역 보다 더 큰 제2횡단면 흐름지역의 유입구를 가지며, 내부에 설치된 촉매 베드를 포함하는 수용도관과, 상기 유출구를 상기 유입구에 접속하는 흐름표면을 가지는 디퓨저를 형성하는 중간도관을 포함하는 촉매 변환 시스템에 있어서, 상기 디퓨저 흐름표면은 상기 흐름표면의 원활한 파동부를 형성하는 복수의 하류로 뻗은 교대로 인접하는 U자형 트로프 및 리지를 포함하고, 상기 파동부는 파도형태의 유출구 엣지로 끝나고, 상기 트로프 및 리지는 상기 전달관 유출구에서 깊이와 높이와 0으로 시작하여, 상기 파도형태 엣지에서 깊이와 높이가 최대로 증가하며, 상기 트로프 및 리지는 각각의 트로프가 한쌍의 대규모 역회전 소용돌이를 발생하도록 한 크기 및 윤곽으로, 각각의 소용돌이는 하류방향에 뻗은 축둘레를 회전하고, 상기 파도형태 엣지에는 횡단면 흐름지역에 스텝방향 증가가 있고, 상기 파도형태 유출구 엣지는 상기 촉매 베드로 부터 상류로 떨어진 것을 특징으로하는 디퓨저의 촉매 변환시스템.A gas conduit having an outlet of a first cross-sectional flow zone, and an inlet of a second cross-sectional flow zone downstream from the gas delivery pipe and larger than the first cross-sectional flow zone, the receiving conduit including a catalyst bed installed therein; And an intermediate conduit forming a diffuser having a flow surface connecting said outlet to said inlet, said diffuser flow surface being alternately adjacent downstream extending in plurality to form a smooth wave of said flow surface. A U-shaped trough and a ridge, the wave portion ending with a wave-shaped outlet edge, the trough and ridge starting at zero and a depth and height at the delivery tube outlet, with a maximum depth and height at the wave-shaped edge. The trough and the ridge each pair of large reversed vortex Each vortex, with its size and contour to occur, rotates about its axis extending downstream, the wavelike edge has a stepwise increase in the cross-sectional flow zone, and the wavelike outlet edge is separated upstream from the catalyst bed. Catalytic conversion system of the diffuser. 제33항에 있어서, 상기 촉매 베드는 모노리드 구조인 것을 특징으로 하는 디퓨저의 촉매 변환 시스템.The system of claim 33 wherein the catalyst bed is of monolithic structure. 제33항에 있어서, 상기 트로프의 각각은 하류방향에 상대적으로 약 5°이하의 경사가 있는 하류연장 바닥을 가지는 것을 특징으로 하는 디퓨저의 촉매 변환 시스템.34. The catalytic conversion system of claim 33, wherein each of the troughs has a downstream extension bottom having a slope of less than about 5 [deg.] Relative to the downstream direction. 제35항에 있어서, 상기 리지의 각각은 하류방향에 평행한 하류연장피이크를 가지는 것을 특징으로 하는 디퓨저의 촉매 변환 시스템.36. The catalytic conversion system of claim 35, wherein each of the ridges has a downstream extension peak parallel to the downstream direction. 제35항에 있어서, 상기 전달관 유출구는 원형이고, 상기 수용관 유입구는 타원형이며, 상기 트로프의 깊이치수는 타원 유입구의 장축에 평행한 것을 특징으로 하는 디퓨저의 촉매 변환 시스템.36. The catalytic converter system of claim 35 wherein the delivery tube outlet is circular, the receiving tube inlet is elliptical, and the depth dimension of the trough is parallel to the long axis of the elliptic inlet. 제24항에 있어서, 상기 리지의 각각은 피이크를 포함하고, 상기 피이크는 하류방향에 상대적으로 기울어져서 하류방향에 평행한 흐름에 장애를 주는 것을 특징으로 하는 디퓨저의 촉매 변환 시스템.25. The catalytic conversion system of claim 24, wherein each of the ridges includes a peak, the peak being inclined relative to the downstream direction to impede the flow parallel to the downstream direction. 제33항에 있어서, 상기 리지의 각각은 하류방향에 평행한 흐름의 장애를 일으키는 상기 중간도관 내의 중앙 흐름지역을 향해 안쪽으로 경사진 하류연장 피이크를 가지는 것을 특징으로 하는 디퓨저의 촉매 변환 시스템.34. The catalytic conversion system of claim 33, wherein each of the ridges has a downstream extension peak inclined inward toward a central flow zone in the intermediate conduit causing a disturbance of flow parallel to the downstream direction. 제33항에 있어서, 상기 시스템은 상기 중간 도관내에 유선형 중앙 본체를 포함하는 것을 특징으로 하는 디퓨저의 촉매 변환 시스템.34. The catalytic conversion system of claim 33, wherein the system comprises a streamlined central body in the intermediate conduit. 제39항에 있어서, 상기 트로프의 각각은 하류방향과 적어도 30의 각을 형성하는 중앙흐름 지역에서 바깥쪽으로 떨어져서 경사진 하류연장 바닥을 가지는 것을 특징으로 하는 디퓨저의 촉매 변환 시스템.40. The catalytic conversion system of claim 39, wherein each of the troughs has a downstream extension bottom inclined outwardly in a central flow region that forms an angle of at least 30 with the downstream direction. 제41항에 있어서, 상기 피이크는 하류방향과 적어도 30의 각을 형성하는 것을 특징으로 하는 디류저의 촉매 변환 시스템.The system of claim 41 wherein the peak forms an angle of at least 30 with the downstream direction. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
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Also Published As

Publication number Publication date
NO169581B (en) 1992-04-06
EP0410924B1 (en) 1995-01-04
EP0410924A3 (en) 1992-10-21
NO169581C (en) 1992-07-15
DE69015722T2 (en) 1995-05-11
DE69015722D1 (en) 1995-02-16
CA2021502A1 (en) 1991-01-26
JPH0364614A (en) 1991-03-20
US5110560A (en) 1992-05-05
NO903163L (en) 1991-01-28
EP0410924A2 (en) 1991-01-30
NO903163D0 (en) 1990-07-16

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